A133111 as tables, graphs or sounds

A133111 formatted as a simple table:

`n`		`a(n)`
`1`		`0`
`2`		`0`
`3`		`0`
`4`		`1`
`5`		`16`
`6`		`126`
`7`		`672`
`8`		`2772`
`9`		`9504`
`10`		`28314`
`11`		`75504`
`12`		`184041`
`13`		`416416`
`14`		`884884`
`15`		`1782144`
`16`		`3426384`
`17`		`6325632`
`18`		`11267532`
`19`		`19442016`
`20`		`32605881`
`21`		`53300016`
`22`		`85131970`
`23`		`133138720`
`24`		`204246900`
`25`		`307850400`
`26`		`456528150`
`27`		`666928080`
`28`		`960846705`
`29`		`1366537536`

[0,0,0,1,16,126,672,2772,9504,28314,75504,184041, 416416,884884,1782144,3426384,6325632,11267532, 19442016,32605881,53300016,85131970,133138720, 204246900,307850400,456528150,666928080,960846705, 1366537536]

Last modified December 17 23:40 EST 2009. Contains 171025 sequences.

AT&T Labs Research